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authorJohan Hovold <[email protected]>2019-11-28 19:26:03 +0100
committerMarc Kleine-Budde <[email protected]>2019-12-03 11:15:08 +0100
commit870db5d1015c8bd63e93b579e857223c96249ff7 (patch)
treeeb2937c002fb8e738d850bf73fbc1a1cfa18afc6
parent9ebd796e24008f33f06ebea5a5e6aceb68b51794 (diff)
can: ucan: fix non-atomic allocation in completion handler
USB completion handlers are called in atomic context and must specifically not allocate memory using GFP_KERNEL. Fixes: 9f2d3eae88d2 ("can: ucan: add driver for Theobroma Systems UCAN devices") Cc: stable <[email protected]> # 4.19 Cc: Jakob Unterwurzacher <[email protected]> Cc: Martin Elshuber <[email protected]> Cc: Philipp Tomsich <[email protected]> Signed-off-by: Johan Hovold <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
-rw-r--r--drivers/net/can/usb/ucan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/can/usb/ucan.c b/drivers/net/can/usb/ucan.c
index 04aac3bb54ef..81e942f713e6 100644
--- a/drivers/net/can/usb/ucan.c
+++ b/drivers/net/can/usb/ucan.c
@@ -792,7 +792,7 @@ resubmit:
up);
usb_anchor_urb(urb, &up->rx_urbs);
- ret = usb_submit_urb(urb, GFP_KERNEL);
+ ret = usb_submit_urb(urb, GFP_ATOMIC);
if (ret < 0) {
netdev_err(up->netdev,